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77e97abf12
Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
152 lines
5.9 KiB
Diff
152 lines
5.9 KiB
Diff
From fe19f02dbfd020df9b028cf2c580417c4edc31b3 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Mon, 6 Jan 2020 18:45:46 +0100
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Subject: [PATCH] drm/vc4: hdmi: Add container_of macros for encoders
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and connectors
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Whenever the code needs to access the vc4_hdmi structure from a DRM
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connector or encoder, it first accesses the drm_device associated to the
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connector, then retrieve the drm_dev private data which gives it a
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pointer to our vc4_dev, and will finally follow the vc4_hdmi pointer in
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that structure.
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That will also give us some trouble when having multiple controllers,
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but now that we have our encoder and connector structures that are part
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of vc4_hdmi, we can simply call container_of on the DRM connector or
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encoder and retrieve the vc4_hdmi structure directly.
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 41 ++++++++++------------------------
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drivers/gpu/drm/vc4/vc4_hdmi.h | 16 +++++++++++++
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2 files changed, 28 insertions(+), 29 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -120,9 +120,7 @@ static int vc4_hdmi_debugfs_regs(struct
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static enum drm_connector_status
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vc4_hdmi_connector_detect(struct drm_connector *connector, bool force)
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{
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- struct drm_device *dev = connector->dev;
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- struct vc4_dev *vc4 = to_vc4_dev(dev);
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- struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
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+ struct vc4_hdmi *vc4_hdmi = connector_to_vc4_hdmi(connector);
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if (vc4_hdmi->hpd_gpio) {
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if (gpio_get_value_cansleep(vc4_hdmi->hpd_gpio) ^
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@@ -149,17 +147,13 @@ static void vc4_hdmi_connector_destroy(s
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static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
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{
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- struct vc4_hdmi_connector *vc4_connector =
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- to_vc4_hdmi_connector(connector);
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- struct drm_encoder *encoder = vc4_connector->encoder;
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- struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
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- struct drm_device *dev = connector->dev;
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- struct vc4_dev *vc4 = to_vc4_dev(dev);
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+ struct vc4_hdmi *vc4_hdmi = connector_to_vc4_hdmi(connector);
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+ struct vc4_hdmi_encoder *vc4_encoder = &vc4_hdmi->encoder;
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int ret = 0;
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struct edid *edid;
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- edid = drm_get_edid(connector, vc4->hdmi->ddc);
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- cec_s_phys_addr_from_edid(vc4->hdmi->cec_adap, edid);
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+ edid = drm_get_edid(connector, vc4_hdmi->ddc);
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+ cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid);
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if (!edid)
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return -ENODEV;
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@@ -235,9 +229,7 @@ static const struct drm_encoder_funcs vc
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static int vc4_hdmi_stop_packet(struct drm_encoder *encoder,
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enum hdmi_infoframe_type type)
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{
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- struct drm_device *dev = encoder->dev;
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- struct vc4_dev *vc4 = to_vc4_dev(dev);
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- struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
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+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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u32 packet_id = type - 0x80;
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HDMI_WRITE(VC4_HDMI_RAM_PACKET_CONFIG,
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@@ -250,9 +242,7 @@ static int vc4_hdmi_stop_packet(struct d
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static void vc4_hdmi_write_infoframe(struct drm_encoder *encoder,
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union hdmi_infoframe *frame)
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{
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- struct drm_device *dev = encoder->dev;
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- struct vc4_dev *vc4 = to_vc4_dev(dev);
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- struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
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+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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u32 packet_id = frame->any.type - 0x80;
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u32 packet_reg = VC4_HDMI_RAM_PACKET(packet_id);
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uint8_t buffer[VC4_HDMI_PACKET_STRIDE];
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@@ -298,9 +288,8 @@ static void vc4_hdmi_write_infoframe(str
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static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
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{
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+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
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- struct vc4_dev *vc4 = encoder->dev->dev_private;
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- struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
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struct drm_connector *connector = &vc4_hdmi->connector.base;
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struct drm_connector_state *cstate = connector->state;
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struct drm_crtc *crtc = encoder->crtc;
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@@ -347,9 +336,7 @@ static void vc4_hdmi_set_spd_infoframe(s
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static void vc4_hdmi_set_audio_infoframe(struct drm_encoder *encoder)
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{
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- struct drm_device *drm = encoder->dev;
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- struct vc4_dev *vc4 = drm->dev_private;
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- struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
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+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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union hdmi_infoframe frame;
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int ret;
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@@ -371,9 +358,7 @@ static void vc4_hdmi_set_infoframes(stru
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static void vc4_hdmi_encoder_disable(struct drm_encoder *encoder)
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{
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- struct drm_device *dev = encoder->dev;
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- struct vc4_dev *vc4 = to_vc4_dev(dev);
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- struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
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+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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int ret;
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HDMI_WRITE(VC4_HDMI_RAM_PACKET_CONFIG, 0);
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@@ -392,10 +377,8 @@ static void vc4_hdmi_encoder_disable(str
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static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder)
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{
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struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode;
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- struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
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- struct drm_device *dev = encoder->dev;
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- struct vc4_dev *vc4 = to_vc4_dev(dev);
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- struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
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+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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+ struct vc4_hdmi_encoder *vc4_encoder = &vc4_hdmi->encoder;
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bool debug_dump_regs = false;
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bool hsync_pos = mode->flags & DRM_MODE_FLAG_PHSYNC;
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bool vsync_pos = mode->flags & DRM_MODE_FLAG_PVSYNC;
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
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@@ -78,6 +78,22 @@ struct vc4_hdmi {
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struct debugfs_regset32 hd_regset;
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};
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+static inline struct vc4_hdmi *
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+connector_to_vc4_hdmi(struct drm_connector *connector)
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+{
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+ struct vc4_hdmi_connector *_connector = to_vc4_hdmi_connector(connector);
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+
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+ return container_of(_connector, struct vc4_hdmi, connector);
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+}
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+
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+static inline struct vc4_hdmi *
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+encoder_to_vc4_hdmi(struct drm_encoder *encoder)
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+{
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+ struct vc4_hdmi_encoder *_encoder = to_vc4_hdmi_encoder(encoder);
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+
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+ return container_of(_encoder, struct vc4_hdmi, encoder);
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+}
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+
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#define HDMI_READ(offset) readl(vc4_hdmi->hdmicore_regs + offset)
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#define HDMI_WRITE(offset, val) writel(val, vc4_hdmi->hdmicore_regs + offset)
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#define HD_READ(offset) readl(vc4_hdmi->hd_regs + offset)
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